Home / 39,828.80-59,644.64-23,138.20

Finding the Fourth Proportional to 39,828.80, 59,644.64 and 23,138.20

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Solution

The fourth proportional to 39,828.80, 59,644.64 and 23,138.20 is: 34,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.80 : 59,644.64 = 23,138.20 : x
  2. Step 2: Convert to fraction form
    39,828.80/59,644.64 = 23,138.20/x
  3. Step 3: Cross multiply
    39,828.80x = 59,644.64 × 23,138.20
  4. Step 4: Simplify right side
    39,828.80x = 1,380,069,609.25
  5. Step 5: Solve for x
    x = 1,380,069,609.25/39,828.80
  6. Step 6: Final answer
    x = 34,650.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.